Shumann, P. (1994). Innovate!: Straight path to quality, customer, delight, and competitive advantage. NewYork: McGraw Hill.
Παραπομπή Chicago StyleShumann, Paul. Innovate!: Straight Path to Quality, Customer, Delight, and Competitive Advantage. NewYork: McGraw Hill, 1994.
Παραπομπή MLAShumann, Paul. Innovate!: Straight Path to Quality, Customer, Delight, and Competitive Advantage. NewYork: McGraw Hill, 1994.
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